Can you find out the missing number in the grid?

How high do you have to count before you use the letter “a” in the English spelling of the whole number?

There is a basket full of hats. Three are white and two are black. Three men, Tom, Tim, and Jim, each take a hat out of the basket and put it on their heads without seeing the hat they selected or the hats the other men selected. The men arrange themselves so Tom can see Tim and Jim’s hats, Tim can see Jim’s hat, and Jim can’t see anyone’s hat. Tom is asked what color his hat is and he says he doesn’t know. Tim is asked the same question, and he also doesn’t know. Finally, Jim is asked the question, and he does know. What colour is his hat?

By what process could you make a 'Tea-Table' into food?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

If Rajina's daughter is my daughter's mom, who am I to Rajina?

If we change the South-East direction into North and North-East into West and all others similarly.
Can you find out which direction will be in the place of South-West direction?

What kind of band never plays music?

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

Transform the word THINK into BRAIN while changing only one letter at a time in a manner that each of the word in the process is a real word!!!